This name is a synonym of Stellaria debilis d'Urv..
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 50077325).
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:244284-2.
This name was in version 1 of The Plant List, record tro-50077325.